I have the exact same issue. Did you find a solution?
Not Now
Please have a look at this documentation page: https://admin-docs.zammad.org/en/latest/channels/email/accounts/email-notification.html
Especially note the hint regarding the from address. Some email servers just disconnect without proper error message whcih makes it harder for you to understand the issue.
Hi, we are experiencing the same issues with the same email provider. Have you managed to solve your problem?
same issue, tried different ports and same thing.
were you able to solve it? I’m using zoho too.